《【上海市】小学五年级数学计算题(巧算与速算).docx》由会员分享，可在线阅读，更多相关《【上海市】小学五年级数学计算题(巧算与速算).docx（30页珍藏版）》请在三一文库上搜索。
1、数学计算题-、简便计算题12.3 X4X0.2512.96- (9.6 1.52)85X 10.11.2 +0.25 + 1.3 X4103X 0.25(4.8+6.4) +835+ 12540.5+0.81 X 1.0534.5 X 0.03+34.5 X 0.97(203.4+72.2) + ( 1.3 X 0.2 )8X4.3 x 12.597.5 +0.39 136.70.125X1612.6 + 3.5 (9.88.7)2.5 X 10286.4 +0.24 X0.254.2+2811.16+ (10 0.7 )(9.6+3.2) +0.8(300 94.8) +0.53.2 X 5
2、.6 -11.45.74 X 99+5.748. 9X 1.1 X4.74.75 +3.25 X2.4 + 7.62.7 X5.4 X3.93.8 X 1.4+18.2 +0.73.6 X 9.85-5.460.648 - (0.4+ 0.5) X 0.64.8 0.258.05 X 3.4+7.64.7 X 10.26.58 x 4.5 x 0.97.63 X 99+7.632.8 X 0.5+1.586.73 +2.56 + 1.44 +3.278X5.2+3.8 X3.8+3.82.37 2.5 4(6.7+6.7+6.7+6.7) X 2.51.5 1029.8 25 42400+ 1
3、6 + 0.532X0.25 X 0.1252.8 X 3.2 +3.2 X7.27.4 -0.15 X2.83.76 X 0.25 0.490.008+0.92 X5 1.280.25 4.78 47.8 + (1.3 X 4)0.65 2017.2 X0.9 +0.01 X7.21.2 X2.5 +0.8 X2.58.6 X10.12.5 x 7.1 X45.6 X(12.5 -8.5 +0.85)16.12 X99+16.12(8.1 -5.6) X0.9-1 X0.45.2 X 0.9 +0.98.25 X 4.08+0.75 X 4.08+4.084.3 X 50X0.24.32 +
4、5.43 +6.6864- 2.64 X0.515.17-6.8 -3.226X 15.7 + 15.7 X2412.75-(2.75 +6.8)(2.275 +0.625)X0.281.27 +3.9 +0.73 + 16.13.94+34.3 X0.212.8-4.9-5.11.2 X(9.6 +2.4) +4.86.75 - (0.9 +3.75)8.9 x 1,1 X4.72.7 X 5,4 X3,90.96 0.28 +0.04 -0.721.34 + 1.8 +3.66 +0.23.6 X 9.85-5.4612.78-(4.97+2.78)8.05 X3.4+7.631.70.5
5、X0.7 1.656.58 X4.5 X0.935.72- 4.9-(5.72+5.1 )2.8 X 0.5+1.58111-3.67 X 2.8 3.67 X7.232+4.90.912.5 X6.3+27 X1.25+0.125 +0.014.8 -4.8 X0.53.1+25.78+6.9(1.25 -0.125) X815.25+4.72+4.75+5.284.8 X 100.134.82-(4.82+15.2)56.5 X 99+56.57.28+0.94+2.72+0.067.09X10.80.8X7.097.84+0.73 0.844.85 + 0.35+1.46.3 X 99+
6、6.38.7 X17.4 - 8.7 X7.415.7 4.3 5.712.5 X0.4 X2.5 X81.6+0.4 1.6+0.40.87 X 3.16+4.6462.8+2.5+0.47.3 X99(1.25+2.5) X89.5 X 1010.68 + (5.2 -3.5 ) X 1.2540.5 +0.81 X0.189.42 X 1094.2 X0.94.8 X (15 +2.4)1.8 X 2.48+1.52 X 1.8-0.52. 13. X0. X82578.76+0.4 X 3.6 X 2.5+1.246.81+6.81 X996.5 X (10-3.7)+2.980.25
7、 X 185X404.75+8.4 +(9.2-6.8) X 404.4 x 0.8 -3.4 X0.819.8-0.60.6-0.64(9.37+9 . 37+9. 37+9. 37)X2. 50.125 X7.9 X 164. 2. X1. +1. X1.752.37 X 6.3+2.37 X3.72.48 X(7.3-5.8)+1.5 X7.5212.773- 4.5 X(0.75-0.356)+9.23 2.5 (3.80.04)2.18+4.65+7.82+5.35+12.52.5 X 1.25 X0.32(6.4+0.88) +0.8+3.2X1.253.8 10.124- 5.4
8、+(0.63+1.29 +0.23)7.69 X10115.84-2.17-3.833.8 X 10.1(25+2.5+0.25) X40.25 X 39+0.25(35.2 X 45.6+45.6 X 63.8+45.60.125 X 7212.25-3.1 +0.85 6.1746 0.33+54 0.33(1.91.9 X0.9) + (3.82.8)1.8+0.02=5.76 X 3=2.08 X 7.5=0.43 X 0.28=、用竖式计算0.72 +0.9=90.75 +3.31.05 X 2.4=4.6 X 0.6=0.2 +0.01 =16.9 +0.131.89 +0.54=
9、3.08 X 0.43=0.25 X 40=3.7 X 0.0165.61 +6.1 =5.22 +29=1.25 X 0.8=5.2 X 0.66.21 +0.3=13.95 +3.1 =8.4 X 0.25=0.042 X 0.5428.14 +6.73.54135.566=6.40.51.3 +0.97.80.35=5.25521.84 +0.75.93 X 0.7632.084.1-1.2980.25 X 0.0460.396 + 1.2=20-5.674110.7 +0.5410.1 +3.3=0.04 X 0.12 =1.5 X 0.25=6.84 X 7.451.08 X2515
10、.6 X 13=5.4 + 0.03636.72 +2.40.125 X 1.4 弋0.025 X 14=5.778 +5.4=1.204 +0.43=3.25 X 9.04=6+1.2=9.2 +2.3=3.5 X 0.2=7.15 X2218.9 +0.54=6.45 X 0.73=4.8 + 2 =1.55 +3.90.358.6=1.5 X 26.7=3.524=8.41.354 + 0.36=7.218 -364.25 X 24=35.4 X 4.20.462 + 1.45.24 +7.21-0.01 =3.68 X 0.251.44 +1.8=8.9 X 0.05=5.24 +7.
11、22.52 X 3.40.756 + 0.36=5.840.1687.11 +3.12.50.7=3.06 X 36=8.02 X 3.5=7.6 X 1.05=4.48 X 0.45.86 + 0.2416.32 515.56 +0.834.8X0.25=0.18X15=8+116.5-5.6=13.760.8=9.58 + 0.23=18.72 +3.6=2.84 X 0.05 =10.75 +12.5=3.84 X 2.6 弋28.56 +5.1 =0.42 X 0.3080.76 X 0.324.32 +3.62.7+3.13三、速算与巧算(1)5.8+2.32+0.68+4.2(2)
12、1999+199.9+19.99+1.999(3)12.59-3.24-5.76(4)8.1+7.8+8.2+8.4+7.9+7.7(5)18X5.5(6)8.88X1.25(7)34.7X0.25(8)238+1.25(9)0.25X12.5X3.2(10)124.68+324.68+524.68+724.68+924.68(11)5795.5795+ 5.7957X 579.5(12)1990X 198.9-1989X 198.8(13)2.25X 0.16+264X 0.0225+5.2X 2.25+0.225X 20(14)(1+0.28+0.84) X (0.28+0.84+0.66
13、)-(1+0.28+0.84+0.66) X (0.28+0.84)(16)0.125X 0.25X32(17)16X4.5(18)0.25X 1.25X22.4(19)0.9+0.99+0.999+0.9999+0.99999(20)(72 X 357+357X 28) + (51 X 7 X 4)(21)98989898X 99999999+ 1010101+11111111(22)4.8X(11.03-15.6+7.5)(23)(67.8+9.48) -0.96-2.58X 30.05(24)1.7+1.7 X (5.8-2.8)+(1.75+ 1.4)(26)(0.1+0.2+0.3+0.4+-+1) + 5.5(27)3.14X 6.5+4.5X3.14-3.14(28)1240X3.8+124X 51 + 1.24X 1400+760X 9.6+0.76X 700(29)1+(2 + 3) +(3 + 4) +(4 + 5) + +(1999 + 2000)(25)3.04X 8.7-3.04X 2.9+5.8X 6.96